Replica linearized power amplifier
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United States of America Patent
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Feb 22, 2011
Grant Date -
Feb 7, 2008
app pub date -
Jun 29, 2007
filing date -
Aug 4, 2006
priority date (Note) -
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Abstract
A power amplifier includes a power amplifier core in which a transmit signal having an amplitude-modulated (AM) component and a phase-modulated (PM) component is passed and amplified, the power amplifier comprising a forward path, and an additional amplification device configured to generate an output that is proportional to an output of the power amplifier core, such that the output of the additional amplification device indirectly controls the output of the power amplifier core.
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